1-Propanone, 1-[2,3-dihydro-1-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1,3,3-trimethyl-1H-inden-5-yl]-2-hydroxy-2-methyl-

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Type of information:

migrated information: read-across from supporting substance (structural analogue or surrogate)

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Test was conducted according to EEC C7 and compliant with GLP. Read-across from supporting substance (structure analogue or surrogate). Test substance (source substance): EC No. 402-990-3

Data source

Reference

Reference Type:

other: Body responsible for the test

Title:

Unnamed

Year:

1989

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: EEC C7

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

Reaction mass mainly based on 2,3-dihydro-6-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene and 2,3-dihydro-5-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene

IUPAC Name:

Reaction mass mainly based on 2,3-dihydro-6-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene and 2,3-dihydro-5-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene

Constituent 2

Reference substance name:

A mixture mainly based on: 2,3-dihydro-6-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene; 2,3-dihydro-5-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene

EC Number:

402-990-3

EC Name:

A mixture mainly based on: 2,3-dihydro-6-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene; 2,3-dihydro-5-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene

IUPAC Name:

402-990-3

Study design

Duration of test (contact time):

28 d

Reference substance

Reference substance:

other: Sodium acetate

Results and discussion

% Degradation

Parameter:

not specified

Value:

1.8

Sampling time:

28 d

Details on results:

Points of degradation plot (test substance):
0% degradation after 5 d
2% degradation after 10 d
0% degradation after 15 d
2% degradation after 20 d
2% degradation after 25 d
2% degradation after 28 d

BOD5 / COD results

Results with reference substance:

55% degradation after 5 d
78% degradation after 10 d
77% degradation after 15 d
77% degradation after 20 d
77% degradation after 25 d
77% degradation after 30 d

Applicant's summary and conclusion

Interpretation of results:

other: not readily biodegradable

Conclusions:

The test substance is not readily biodegradable.